# Upgrading Using the Upgrade Wizard

Use the Upgrade Wizard screen to specify the installation directories of the source and target servers and to indicate whether security certificates need to be migrated to the target installation.

1. In the Source Installation Directory field, enter the location of the existing installation from which to import the configuration. You need to enter the domain directory. For example, <install-root>/domains/domain1.

2. In the Target Installation Directory field, enter the location of the Application Server installation to which to transfer the configuration. You need to provide the domains root as the input to this field.
3. Provide the admin user name, the admin password, and master password of the source application server.
4. If you are upgrading Application Server installation with clusters and no security certificates to Sun Java System Application Server 9.1, click the Next button and continue with step 10 to enter the cluster files information. If you are upgrading Application Server 8.x to Application Server 9.1, click the Next button to proceed with the upgrade. The Upgrade tool automatically detects any clusters in the source installation. If security certificates need to be transformed, continue with step 4.

5. If the source installation has security certificates that must be transferred, check the Transfer Security Certificates checkbox, press the Next button, and the
   Transfer Security Certificates screen displays.

6. From the Transfer Security Certificates screen, press the Add Domain button to add domains with certificates to be transferred.

   The Add Domain dialog displays.

7. From the Add Domain dialog, select the domain name that contains the security certificates to migrate and enter the appropriate passwords.

8. Click the OK button when done.

   The Transfer Security Certificates screen will be displayed again.

9. Repeat steps 6, 7 and 8 until all the domains that have certificates to be transferred have been added. Click Next button when done.

10. If you are upgrading an Application Server installation with clusters, Click the Add Cluster button in the Transfer Cluster Configurations screen.

    The Select `clinstance.conf` file dialog box will be displayed. Choose `clinstance.conf` file and click the Open button. The `clinstance.conf` file will be added to the list.

11. Repeat step 10 until all the cluster configuration files that need to be migrated have been added. Press the Next button.

    Repeat this process until all the cluster configuration files that need to be migrated have been added, and press the Next button.

12. The Upgrade Results panel is displayed showing the status of the upgrade operation.
13. Click the Finish button to close the Upgrade Tool when the upgrade process is complete.

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